1. Uvod
Thank you for choosing the HOCO E52 Euphony Wireless Bluetooth Audio Receiver. This manual provides essential information for the safe and efficient use of your device. Please read it thoroughly before operation and retain it for future reference.
2. Proizvod je gotovview
The HOCO E52 is a compact wireless Bluetooth audio receiver designed to convert wired audio devices into Bluetooth-enabled ones. It features an integrated microphone for hands-free calls and comes with a pair of in-ear earphones.

Figure 2.1: HOCO E52 Euphony Wireless Bluetooth Audio Receiver with included earphones.

Slika 2.2: Detaljno view of the HOCO E52 receiver, highlighting the control buttons and power switch.
3. Sadržaj paketa
Provjerite da li su sve stavke prisutne u paketu:
- HOCO E52 Wireless Bluetooth Audio Receiver
- Slušalice u ušima
- Kabel za punjenje
- Jastučići za uši (različite veličine)
- Zaštitna torbica
- Korisnički priručnik (ovaj dokument)
4. Podešavanje
4.1 Punjenje uređaja
Before first use, fully charge the HOCO E52 receiver. Connect the provided charging cable to the micro-USB port on the receiver and the other end to a USB power source (e.g., computer USB port, wall adapter). The indicator light will show charging status and turn off or change color when fully charged.

Slika 4.1: Pozadi view of the HOCO E52 receiver, illustrating the clip and the micro-USB charging port.
4.2 Bluetooth uparivanje
- Uključeno: Slide the power switch to the 'ON' position. The indicator light will flash, indicating it is in pairing mode.
- Aktivirajte Bluetooth: On your smartphone or other Bluetooth-enabled device, go to the Bluetooth settings and ensure Bluetooth is turned on.
- Odaberite uređaj: Look for 'HOCO E52' (or similar) in the list of available devices and select it to connect.
- Potvrda: Once successfully paired, the indicator light on the E52 will stop flashing and remain solid, or flash slowly. A voice prompt may also confirm the connection.
- Povežite slušalice: Plug the included earphones (or your own 3.5mm wired headphones) into the 3.5mm audio jack on the HOCO E52 receiver.

Figure 4.2: The HOCO E52 receiver connected to a smartphone, demonstrating its use with a media device.
5. Uputstvo za upotrebu
5.1 Uključivanje/isključivanje napajanja
- Uključeno: Slide the 'ON/OFF' switch to the 'ON' position.
- Iskljuciti: Slide the 'ON/OFF' switch to the 'OFF' position.
5.2 Reprodukcija muzike
- Pusti/pauza: Pritisnite centralno Pusti/Pauza dugme jednom.
- Sljedeća pjesma: Pritisnite i držite Jačina zvuka (+) dugme.
- Prethodni zapis: Pritisnite i držite Smanjivanje glasnoće (-) dugme.
5.3 Upravljanje pozivima
With the built-in microphone, you can manage calls directly from the receiver.
- Odgovori/Završi poziv: Pritisnite centralno Pusti/Pauza button once during an incoming call to answer, or during an active call to end.
- odbiti poziv: Pritisnite i držite centralno Pusti/Pauza button for 2 seconds during an incoming call.
- Ponovno biranje zadnjeg broja: Double-press the central Pusti/Pauza dugme.
5.4 Kontrola jačine zvuka
- Povećajte jačinu zvuka: Pritisnite Jačina zvuka (+) dugme.
- Smanji jačinu zvuka: Pritisnite Smanjivanje glasnoće (-) dugme.
6. Održavanje
- Uređaj držite suhim. Izbjegavajte izlaganje vlazi ili tekućinama.
- Uređaj čistite mekom, suhom krpom. Ne koristite jake hemikalije ili abrazivna sredstva za čišćenje.
- Čuvajte uređaj na hladnom i suvom mestu kada se ne koristi.
- Avoid extreme temperatures, as this can shorten the lifespan of electronic components.
- Ne pokušavajte rastavljati ili modificirati uređaj, jer će to poništiti garanciju i može uzrokovati oštećenje.
7. Otkrivanje problema
| Problem | Mogući uzrok | Rješenje |
|---|---|---|
| Uređaj se ne uključuje | Niska baterija | U potpunosti napunite uređaj. |
| Nije moguće upariti uređaj | Bluetooth not enabled on source device; E52 not in pairing mode; too far apart | Ensure Bluetooth is on. Power cycle E52 to enter pairing mode. Keep devices within 10 meters. |
| Nema zvuka | Volume too low; earphones not connected properly; incorrect audio output selected on source device | Increase volume on E52 and source device. Re-plug earphones. Check audio output settings on your phone/computer. |
| Kratko trajanje baterije | Device not fully charged; high volume usage | Ensure full charge. Reduce volume if possible. |
8. Specifikacije
- Model: E52
- Bluetooth verzija: 5.0
- Tehnologija povezivanja: bežični (Bluetooth)
- Music & Talk Time: Približno 6 sata
- mikrofon: Integrisano
- Form Faktor slušalica: U uhu
- Boja: Crna
- Dimenzije paketa: 18.2 x 10.8 x 3.2 cm
- Težina artikla: 72 g
- Proizvođač: HOCO
9. Sigurnosne informacije
- Ne izlažite uređaj ekstremnim temperaturama, direktnoj sunčevoj svjetlosti ili vatri.
- Izbjegavajte ispuštanje ili izlaganje uređaja jakim udarima.
- Čuvati van domašaja djece.
- Uređaj i njegovu bateriju odložite odgovorno u skladu s lokalnim propisima.
- Do not use the device while driving or in situations where your attention is critical.
10. Garancija i podrška
For warranty information and customer support, please refer to the documentation provided at the point of purchase or contact your retailer. HOCO products typically come with a limited warranty against manufacturing defects.